USPS shows you how to send a letter or postcard in the U.S., from choosing an envelope, writing the address, buying and applying stamps, and finding a drop-off location.

First-Class Mail is a fast, low-cost way to send envelopes and postcards. See First-Class Mail and Forever stamp prices for a letter and postcard.

Cost of First-Class™ Stamps Letter Stamps Standard-sized, rectangular envelopes From $0.78 Square, Oversized, or Unusual Envelopes From $1.27 Postcard Stamps Standard-sized, …

Step 2: Address the envelope: On the bottom center of the envelope, write the address you want your letter delivered to. Start by writing the recipient's name; on the next line, write their street …

If you send mail on a Saturday or the day before a holiday, the Sunday or holiday is not included in the expected delivery time. If you send mail with a 3-day service standard on Friday, the …

Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance.

Learn how to use USPS to send letters from the U.S. to other countries: What you can send, how to write addresses, ways to buy postage, and more.

You might need an adult’s help! Fold the letter and put it inside the envelope. Put the postage stamp in the upper right corner of the envelope. This is so the Postal Service can send it to …

You may ask the letter carrier for the sender’s name and address before you accept the mail. You may not open the mail, but you may look at it as long as the letter carrier is holding it before …

Letters, bills, greeting cards, and other documents can be sent in standard white, manila, or recycled paper envelopes. Items needing extra protection can be sent in bubble-lined, padded …